Gas-furnace



(No Model.) 4 Sheets-Sheet 1. W. SWINDELL.

GAS FURNACE No. 368,254. Patented Aug. 16, 1887.

Inventor dwm Z7 AC4 'aiijv s Photo-Lithographer, Wuhingiun. n. a

(No Model.) 4 Sheets-Sheet 2.

W. SWINDELL.

GAS FURNAGE Patented Aug. 16, 1887.

[Imelda]? Mbzessw.

N. PEYEHS. Pholo-Llflwgraphar. Washinglnn. QC

No Model.) 4 Sheets- Sheet s.

W. SWINDELL.

GAS FURNACE N0. 368,254. Patented Aug. 16, 1887.

Witness 66.

(No Model.) 4 Sheets-Sheet 4.

W. SWINDELL.

GAS FURNACE No. 368,254. Patented Aug. 16, 1887.

M g k FFN w b 5 g Inventor.

Minesaes. a zw EJ? 35 M UNITED STATES ATENT OFFICE.

\VILLIAM SVVINDELL, OF ALLEGHENY CITY, PENNSYLVANIA.

GAS-FURNACE.

SPECIFICATION forming part of Letters Patent No. 368,254, dated August 16, 1887. Application filed August 10, 1885. Serial No. 178,977. (No model.)

To all whOm it may concern:

Be it known that I, VVILLIAM SWINDELL, of Allegheny City, in the county of Allegheny and State of Pennsylvania, have invented a new and useful Improvementin Gas- Furnaces; and I do hereby declare the following to be a full, clear, and exact description thereof.

My present improvement consists of an extended application of the detached regenerator,such as is deseribed'in my application No. 17l,167,filed July 10,1885; and,broadly stated, it consists in arranging the same so that the air and gas lines therefrom shall extend 011 opposite sides of the bed of the furnace and parallel to each other throughout the length of the bed. The improvement is especially applicable to furnaces for heating long blanks, such as skelp-iron, rails, and similar articles. As heretofore constructed, furnaces for heating such articles have been made with the regenerators extending along the entire length of the bed, so that the tines therefrom should communicate directly with the same. These regenerators were usually built opposite to each other under the furnacebed, so that the ilues therefrom ran directly up the side of the bed and communicated with thesurfacc of the same through a series of ports on each side. Then when the furnace was running in either direction, the air and gas entered at one side, passed across the bed,and escaped through the dues leading to the other regenerator.

To enable others skilled in the art to make and use my improvement, I will now describe it with reference to the accompanying four sheets of drawings, in which- Figure 1 is a vertical longitudinal section on the line A A of Fig. 2. Fig. 2 is a horizontal section on the line B B of Fig. 1. Fig. 3 is a like section on the line C O of Fig. 1. Fig. 4 is a vertical crosssection on the line D D of Fig. 1, and Fig. 5 is a like section on the line E Epf Fig. 3.

Like letters of reference indicate like parts.

The regenerators are indicated at a I and they are provided with suitable flues,arranged in the usual manner,leading from the air-valve c and gas-valve (1, said valves being so arranged that the regencrators may be alternately throwirinto and out of connection with the air-fines c, gas-fines d, and with the stackflue e. The gas is admitted to the dues from a gas-pipe, f, and the air enters the open top of the valve 0. The bed of the furnace is shown at g. It is provided with a series of chargingholes, g, on each side, and also with adit and exit ports h. Leading from the up per ends of the regenerators a I), over the opposite sides of the bed, are flue-pipes t It, having a central partition, which divides each into two fines or passages, t" (1 7/70 one flue of each pipe communicating with one chamber of the air-regcuerator a and the other with one chamber of the gas-regenerator 7), so that separate streams of air and gas will be led through the pipe 5 or it) which is acting at the aditpipe. The air and gas find their way to the ports h by means of the flues Z, which lead down to the same, and unite in the tines l,and pass together in astatc of combustion through the ports it onto the bed 9, accomplishing their work, and the waste products of coinbustion, entering the ports h on the opposite side, pass up through the flues 1 into and through the opposite flue-pipe to the exit-re generator, and thence to the stack m by means ofthe stack-flue c. It is apparent that by this arrangement the length of the bed 9 may be extended within reasonable limits without increasing the size of the regenerators a I), so that a bed of any desired length may be obtained without the necessity of increasing the length of the regenerators, as has heretofore been necessary in order to supply the bed with heated air and gas from the same.

In the drawings I show the tluepipes 2' k as extending in parallel lines above the sides of the bed. It is apparent'that they can be extended along the outer side of the bed,or placed in the ground below the sides of the bed, or directly beneath the same, and that the lines Z can be run to suit the location of the lines i and k.

The regencrators c I) may be built at the end of the bed and within the same sidewalls, if desired, and such construction will be within my invention, because the flues connecting the regenerators'and bed can be extended from the former along the sides of the latter to any desired length without changing the regenerators.

ICO

I am aware that detached regenerators in themselves are-not new, and thatair and gas fiues extending along the entire length of the bed of the furnace in themselves are not new,

5 and I do not desire to claim either of these elements,broadly; but

What I claim as my invention, and desire to secure by Letters Patent, is-

1. The combination, with a furnace, of de- 10 tached regenerators situate at the ends of the same, and fine-pipes extending along the entire length of the bed of the furnace, and communicating with the opposite sides of the bed of the furnace by suitable ports, substantially v I 5 as and for the purposes specified.

- 2. The combination of detached regenerators, with fine-pipes leading from each pair and divided into air and gas fiues by central partitions, and a furnace-bed having adit and exit ports and fines which communicate with 20 WILLIAM SVVINDELL.

Witnesses:

THOMAS B. KERR, W. B. CoRWIN. 

